$(document).ready( function() {
	$(".datatable").dataTable();
});

$(window).load(function(){
	$(".number").bind('keydown',function(e){
        if(e.which == 46 || e.which == 8 || e.which == 9 || e.which == 35 || e.which == 36 || e.which == 37 || e.which == 39)
            return true;

        if (e.which < 48 ||  e.which > 57)
            return false;

        return true;
    });
});